diff --git a/src/common/enums/message.enum.ts b/src/common/enums/message.enum.ts
index e2aca36..a4fa537 100755
--- a/src/common/enums/message.enum.ts
+++ b/src/common/enums/message.enum.ts
@@ -391,6 +391,7 @@ export const enum InvoiceMessage {
   DISCOUNT_CANCELLED = "تخفیف با موفقیت لغو شد",
   INVOICE_IS_REJECTED = "فاکتور قبلا رد شده است",
   INVOICE_CAN_NOT_PAID = "فاکتور قابل پرداخت نیست",
+  INVALID_DATE = "تاریخ وارد شده معتبر نیست",
 }
 
 export const enum LearningMessage {
diff --git a/src/modules/invoices/DTO/invoices-search-query.dto.ts b/src/modules/invoices/DTO/invoices-search-query.dto.ts
index 8b71911..edc125f 100755
--- a/src/modules/invoices/DTO/invoices-search-query.dto.ts
+++ b/src/modules/invoices/DTO/invoices-search-query.dto.ts
@@ -1,5 +1,5 @@
 import { ApiPropertyOptional, PickType } from "@nestjs/swagger";
-import { IsEnum, IsOptional, IsString, IsUUID } from "class-validator";
+import { IsDateString, IsEnum, IsOptional, IsString, IsUUID } from "class-validator";
 
 import { PaginationDto } from "../../../common/DTO/pagination.dto";
 import { InvoiceMessage, ServiceMessage, UserMessage } from "../../../common/enums/message.enum";
@@ -9,22 +9,27 @@ export class InvoicesSearchQueryDto extends PaginationDto {
   @IsOptional()
   @IsString({ message: InvoiceMessage.SEARCH_QUERY_MUST_BE_A_STRING })
   @ApiPropertyOptional({ description: "search query", example: "search query" })
-  q: string;
+  q?: string;
 
   @IsOptional()
   @IsUUID("4", { message: ServiceMessage.SERVICE_ID_SHOULD_BE_A_UUID })
   @ApiPropertyOptional({ description: "service id", example: "123e4567-e89b-12d3-a456-426614174000" })
-  serviceId: string;
+  serviceId?: string;
 
   @IsOptional()
   @IsUUID("4", { message: UserMessage.USER_ID_SHOULD_BE_A_UUID })
   @ApiPropertyOptional({ description: "user id", example: "123e4567-e89b-12d3-a456-426614174000" })
-  userId: string;
+  userId?: string;
 
   @IsOptional()
   @IsEnum(InvoiceStatus)
   @ApiPropertyOptional({ enum: InvoiceStatus, description: "invoice status", example: InvoiceStatus.PAID })
-  status: InvoiceStatus;
+  status?: InvoiceStatus;
+
+  @IsOptional()
+  @IsDateString({}, { message: InvoiceMessage.INVALID_DATE })
+  @ApiPropertyOptional({ description: "since query", example: "2025-01-27" })
+  since?: string;
 }
 
 export class UserInvoicesSearchQueryDto extends PickType(InvoicesSearchQueryDto, ["status", "limit", "page"]) {}
diff --git a/src/modules/invoices/providers/invoices.service.ts b/src/modules/invoices/providers/invoices.service.ts
index 18c5c2a..b9efcf2 100755
--- a/src/modules/invoices/providers/invoices.service.ts
+++ b/src/modules/invoices/providers/invoices.service.ts
@@ -161,42 +161,17 @@ export class InvoicesService {
   ///********************************** */
 
   async getInvoices(queryDto: InvoicesSearchQueryDto) {
-    const { limit, skip } = PaginationUtils(queryDto);
+    const [invoices, count] = await this.invoiceRepository.getInvoicesForAdmin(queryDto);
 
-    const queryBuilder = this.invoiceRepository.createQueryBuilder("invoice");
-
-    queryBuilder
+    const usersWithInvoices = await this.invoiceRepository
+      .createQueryBuilder("invoice")
       .leftJoinAndSelect("invoice.user", "user")
-      .leftJoinAndSelect("invoice.items", "items")
-      .leftJoinAndSelect("items.subscriptionPlan", "subscriptionPlan", "subscriptionPlan.id IS NOT NULL")
-      .leftJoinAndSelect("subscriptionPlan.service", "service", "subscriptionPlan.id IS NOT NULL");
-
-    if (queryDto.q) {
-      queryBuilder
-        .orWhere("user.firstName ILIKE :search", { search: `%${queryDto.q}%` })
-        .orWhere("user.lastName ILIKE :search", { search: `%${queryDto.q}%` })
-        .orWhere("user.email ILIKE :search", { search: `%${queryDto.q}%` });
-    }
-
-    if (queryDto.status) {
-      queryBuilder.andWhere("invoice.status = :status", { status: queryDto.status });
-    }
-
-    if (queryDto.userId) {
-      queryBuilder.andWhere("invoice.user.id = :userId", { userId: queryDto.userId });
-    }
-
-    if (queryDto.serviceId) {
-      queryBuilder.andWhere("subscriptionPlan.serviceId = :serviceId", { serviceId: queryDto.serviceId });
-    }
-
-    queryBuilder.orderBy("invoice.createdAt", "DESC");
-    queryBuilder.skip(skip);
-    queryBuilder.take(limit);
-
-    const [invoices, count] = await queryBuilder.getManyAndCount();
+      .select(["user.id", "user.firstName", "user.lastName", "user.email"])
+      .distinctOn(["user.id"])
+      .getMany();
 
     return {
+      users: usersWithInvoices.map((inv) => inv.user),
       invoices,
       count,
       paginate: true,
diff --git a/src/modules/invoices/repositories/invoices.repository.ts b/src/modules/invoices/repositories/invoices.repository.ts
index d7090bc..e016589 100755
--- a/src/modules/invoices/repositories/invoices.repository.ts
+++ b/src/modules/invoices/repositories/invoices.repository.ts
@@ -2,6 +2,8 @@ import { Injectable } from "@nestjs/common";
 import { InjectRepository } from "@nestjs/typeorm";
 import { Repository } from "typeorm";
 
+import { PaginationUtils } from "../../utils/providers/pagination.utils";
+import { InvoicesSearchQueryDto } from "../DTO/invoices-search-query.dto";
 import { Invoice } from "../entities/invoice.entity";
 
 @Injectable()
@@ -9,4 +11,47 @@ export class InvoicesRepository extends Repository<Invoice> {
   constructor(@InjectRepository(Invoice) invoicesRepository: Repository<Invoice>) {
     super(invoicesRepository.target, invoicesRepository.manager, invoicesRepository.queryRunner);
   }
+
+  async getInvoicesForAdmin(queryDto: InvoicesSearchQueryDto) {
+    const { limit, skip } = PaginationUtils(queryDto);
+
+    const queryBuilder = this.createQueryBuilder("invoice");
+
+    queryBuilder
+      .leftJoinAndSelect("invoice.user", "user")
+      .leftJoinAndSelect("invoice.items", "items")
+      .leftJoinAndSelect("items.subscriptionPlan", "subscriptionPlan", "subscriptionPlan.id IS NOT NULL")
+      .leftJoinAndSelect("subscriptionPlan.service", "service", "subscriptionPlan.id IS NOT NULL");
+
+    if (queryDto.q) {
+      queryBuilder
+        .orWhere("user.firstName ILIKE :search", { search: `%${queryDto.q}%` })
+        .orWhere("user.lastName ILIKE :search", { search: `%${queryDto.q}%` })
+        .orWhere("user.email ILIKE :search", { search: `%${queryDto.q}%` });
+    }
+
+    if (queryDto.status) {
+      queryBuilder.andWhere("invoice.status = :status", { status: queryDto.status });
+    }
+
+    if (queryDto.userId) {
+      queryBuilder.andWhere("invoice.user.id = :userId", { userId: queryDto.userId });
+    }
+
+    if (queryDto.serviceId) {
+      queryBuilder.andWhere("subscriptionPlan.serviceId = :serviceId", { serviceId: queryDto.serviceId });
+    }
+
+    if (queryDto.since) {
+      queryBuilder.andWhere("(invoice.createdAt >= :since OR invoice.dueDate >= :since OR invoice.paidAt >= :since)", {
+        since: new Date(queryDto.since),
+      });
+    }
+
+    queryBuilder.orderBy("invoice.createdAt", "DESC");
+    queryBuilder.skip(skip);
+    queryBuilder.take(limit);
+
+    return await queryBuilder.getManyAndCount();
+  }
 }